72127554 has 8 divisors (see below), whose sum is σ = 144255120. Its totient is φ = 24042516.

The previous prime is 72127537. The next prime is 72127567. The reversal of 72127554 is 45572127.

It is a sphenic number, since it is the product of 3 distinct primes.

72127554 is an admirable number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6010624 + ... + 6010635.

It is an arithmetic number, because the mean of its divisors is an integer number (18031890).

Almost surely, 2^72127554 is an apocalyptic number.

72127554 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

72127554 is a wasteful number, since it uses less digits than its factorization.

72127554 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12021264.

The product of its digits is 19600, while the sum is 33.

The square root of 72127554 is about 8492.7942398247. The cubic root of 72127554 is about 416.2622891339.

The spelling of 72127554 in words is "seventy-two million, one hundred twenty-seven thousand, five hundred fifty-four".